Home / 70,273.86-105,317.19-25,859.52

Finding the Fourth Proportional to 70,273.86, 105,317.19 and 25,859.52

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Solution

The fourth proportional to 70,273.86, 105,317.19 and 25,859.52 is: 38,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273.86 : 105,317.19 = 25,859.52 : x
  2. Step 2: Convert to fraction form
    70,273.86/105,317.19 = 25,859.52/x
  3. Step 3: Cross multiply
    70,273.86x = 105,317.19 × 25,859.52
  4. Step 4: Simplify right side
    70,273.86x = 2,723,451,981.15
  5. Step 5: Solve for x
    x = 2,723,451,981.15/70,273.86
  6. Step 6: Final answer
    x = 38,754.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.